Package de.otto.synapse.translator

Class TextMessageTranslator

java.lang.Object
de.otto.synapse.translator.TextMessageTranslator
All Implemented Interfaces:
MessageTranslator<TextMessage>, java.util.function.Function<Message<?>,​TextMessage>
public class TextMessageTranslator
extends java.lang.Object
implements MessageTranslator<TextMessage>
A MessageTranslator that converts messages into TextMessage.

The Message Translator is the messaging equivalent of the Adapter pattern described in [GoF]. An adapter converts the interface of a component into a another interface so it can be used in a different context.

MessageTranslator

This implementation is relying on ObjectMappers.currentObjectMapper() to transform message payloads with non-String payload into a JSON payload.

  • Constructor Summary

    Constructors
    Constructor Description
    TextMessageTranslator()  

  • Method Summary

    Modifier and Type Method Description
    TextMessage apply​(Message<?> message)
    Translates a Message into a Message with payload-type <String> and serializes the payload into a JSON String.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    Methods inherited from interface java.util.function.Function

    andThen, compose

  • Constructor Details

    • TextMessageTranslator

      public TextMessageTranslator()

  • Method Details

    • apply

      @Nonnull public TextMessage apply​(@Nonnull Message<?> message)
      Translates a Message into a Message with payload-type <String> and serializes the payload into a JSON String.
      Specified by:
      apply in interface java.util.function.Function<Message<?>,​TextMessage>
      Specified by:
      apply in interface MessageTranslator<TextMessage>
      Parameters:
      message - Message<?>
      Returns:
      Message<String>